From b4acb0af8dee2b3f037706894276906dfe792ebf Mon Sep 17 00:00:00 2001
From: adilger <adilger>
Date: Wed, 22 Oct 2008 20:22:58 +0000
Subject: [PATCH] Branch HEAD Limit bio_alloc() size to the maximum possible
value, or it will always fail. b=9945 i=johann
---
lustre/obdfilter/filter_io_26.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/lustre/obdfilter/filter_io_26.c b/lustre/obdfilter/filter_io_26.c
index c37c58503d..58f6bdee60 100644
--- a/lustre/obdfilter/filter_io_26.c
+++ b/lustre/obdfilter/filter_io_26.c
@@ -371,9 +371,10 @@ int filter_do_bio(struct obd_export *exp, struct inode *inode,
frags++;
}
- /* allocate new bio */
- bio = bio_alloc(GFP_NOIO,
- (npages - page_idx) * blocks_per_page);
+ /* allocate new bio, limited by max BIO size, b=9945 */
+ bio = bio_alloc(GFP_NOIO, max(BIO_MAX_PAGES,
+ (npages - page_idx) *
+ blocks_per_page));
if (bio == NULL) {
CERROR("Can't allocate bio %u*%u = %u pages\n",
(npages - page_idx), blocks_per_page,
--
GitLab